280091355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{26189}}^1$

素因数の和:26251

約数の個数: 32

約数和(自身を含む): 482734080

約数和(自身を除く): 202642725

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 26189, 78567, 130945, 392835, 602347, 811859, 1807041, 2435577, 3011735, 4059295, 9035205, 12177885, 18672757, 56018271, 93363785, 280091355]

約数ペア:

[(1, 280091355), (3, 93363785), (5, 56018271), (15, 18672757), (23, 12177885), (31, 9035205), (69, 4059295), (93, 3011735), (115, 2435577), (155, 1807041), (345, 811859), (465, 602347), (713, 392835), (2139, 130945), (3565, 78567), (10695, 26189)]